Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
I have made a small write up about how I handle debug prints on MySensors using a normal I/O pin.
If you too need to reclaim the Hardware Serial port, or just save a pin, feel free to use my idea
http://peter.lorenzen.us/embedded/mysensors-dprint